Home / 27,128.32-40,718.78-13,098.24

Finding the Fourth Proportional to 27,128.32, 40,718.78 and 13,098.24

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Solution

The fourth proportional to 27,128.32, 40,718.78 and 13,098.24 is: 19,660.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,128.32 : 40,718.78 = 13,098.24 : x
  2. Step 2: Convert to fraction form
    27,128.32/40,718.78 = 13,098.24/x
  3. Step 3: Cross multiply
    27,128.32x = 40,718.78 × 13,098.24
  4. Step 4: Simplify right side
    27,128.32x = 533,344,287.46
  5. Step 5: Solve for x
    x = 533,344,287.46/27,128.32
  6. Step 6: Final answer
    x = 19,660.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.